Property Tax Assessment System based on Digital Parcel...
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Property Tax Assessment System based on Digital Parcel Mapping using ArcGIS V. Gopi Krishna Kasyap 1 , Dr. K. Padma Kumari 2 1 Assistant Professor (c) & Research Scholar, 2 Professor & Head, School of Spatial Information Technology, Institute of Science & Technology, Jawaharlal Nehru Technological University Kakinada, Kakinada, Andhra Pradesh, India.
Transcript of Property Tax Assessment System based on Digital Parcel...
Property Tax Assessment System
based on Digital Parcel Mapping
using ArcGIS
V. Gopi Krishna Kasyap 1, Dr. K. Padma Kumari 2 1 Assistant Professor (c) & Research Scholar,
2 Professor & Head,
School of Spatial Information Technology,
Institute of Science & Technology,
Jawaharlal Nehru Technological University Kakinada,
Kakinada, Andhra Pradesh, India.
Overview
• Introduction to Parcel Mapping
• Feature Layer development
• Database structure using ArcCatalog
• PTAS Toolbar & its functions
• Future Scope
Data and Technology used
Parcel Mapping
• High resolution Aerial images
• Tax map
• Assessor’s Database
• Shape file – Town boundary
Property Tax Assessment Tool
• ArcMap
• ArcCatalog
• ArcObjects
Methodology Back end ArcCatalog
Shape file
with tables Assess
Database
Front end ArcObjects
Visual Basics Development
Environment
Map objects
Output : Application Interface ArcMap
PTAS toolbar
User Interface
Tax Officer
Digital Parcel Mapping
• Introduction
• Types of Digital Parcel Mapping
Manual digitizing from analog maps;
Scanning with further “Heads-up” digitizing or automatic vectorization;
Coordinate Geometry conversion (COGO)
Positioning property corners with GPS.
• Advantages & Disadvantages
Work flow – Parcel Mapping PRODUCTION
Pre-Processing
Parcel boundary compilation
Miscellaneous Feature compilation
Attribution
Municipal Boundary compilation
QA
Level III
Creation Multipart polygon
Dissolving internal polygons
Adding LOC_ID to Tax list
Standardized Digital Assessor
Tax Parcel Maps
QC
PTAS toolbar
(ArcObjects-VBA)
FAILED
FAILED
PASSED
PASSED
DOQs
Layers
• CENTERLINES - ROW centerlines
• ROW - Right of way
• PRIVATE_ROW - Private ROW
• WATER - Water bodies & wetlands
• EASEMENTS - Easements
• PARCEL_VIEW - Parcel boundary
• TAXPAR - Tax parcels
Arc Catalog – Geo database
• Area_of_Interest (File Geodatabase)
- County_AOI (File Geodatabase Feature dataset)
- TaxPar (File Geodatabase Feature Class)
- OthLeg (File Geodatabase Feature Class)
- Misc (File Geodatabase Feature Class)
- Assess (File Geodatabase Table)
- UC_LUT (File Geodatabase Table)
- LUT (File Geodatabase Table)
Attribute assignment
Multipart polygon
Centroid – LOC_ID
Digital Parcel layers
CENTRELINES
ROW PARCEL_VIEW WATER
PRIVATE_ROW
EASEMENT
TaxPar
Misc
OthLeg
Dissolved
Parcel ?
Is feature tax
excluded ?
Select & clip Centrelines at Private
ROW as parcel boundary, discard
others
Move dissolved parcel
cluster to OthLeg layer
NO
NO
YES
YES
Export
Export
Export
Export
Export
Export
Export
Export
Is Private ROW
tax excluded ?
NO
A
A
YES
Property Tax Assessment System Tool
• Zoom to full extent
• Add FGDB with Annotation
• Search TaxPar, Assess, UC_LUT
• Clear selected parcel
• Navigation Tool set
Add Data
START
Set current ArcMap document as active document
to add data
Read - File Geodatabase location
Add_Table
Add_Feature
Add FGDB Tables
Add FGDB Feature Classes
Display Map Annotation
STOP
Add Table
START
Search & Select desired Table from FGDB
Create a new Standalone Table to Workspace
Add FGDB Table to Standalone table
Display Table name as map Source
STOP
Read FGDB Table name
Add Feature
START
Search & Select desired Feature Class from
FGDB
Create a new Feature Class to Workspace
Add FGDB Feature Class to Map display
Display Feature Class as map Source
STOP
Read FGDB Feature Class name
Add Data
Search Parcel START
Textbox Data = Query input
STOP
Open “Tax Parcel Details” form
Search TaxPar Layer
Search Assess Table
Query Input = “Use Code”
Search UC_LUT Table
Display Query result in “Tax Parcel Details”
Display Error
message
YES NO
Is Query input valid?
Search TaxPar layer
START
Search & Select desired Feature Class from
Workspace
Select & Flag the Feature
Zoom to selected Feature
STOP
Set FGDB Feature Class name = “TaxPar”
Is MAP_PAR_ID = QUERY
Input ?
Display Error
message
YES
NO
Search Assess Table
START
Search & Select desired Table from
Workspace
Select the Row data
Store Desired Row data to TEMP
STOP
Read FGDB Table = “Assess”
Is PROP_ID = QUERY
Input ?
Display Error
message
YES NO
Search UC_LUT Table
START
Search & Select desired Table from
Workspace
Select the Row data
Store Desired Row data to TEMP
STOP
Read FGDB Table = “UC_LUT”
Is USECODE =
QUERY Input ?
Display Error
message YES
NO
Results
Search Parcel
Search Parcel
Print Receipt
START
STOP
Read Search Query results
Is Property
Taxable?
YES NO
Open “Tax_Exempt” File
Store Parcel details to file
STOP
PROPERTY_TAX
Create a new file with Parcel ID as
filename
Property Tax module
START
Select TAX_FACTOR
Calculate Property Tax
STOP
Select ‘USE_CODE’
Is USECODE = Taxable ?
Tax exempt property YES
NO
TAX_FACTOR
Residential
Open lands
Commercial
Agricultural
Etc,…
Property Tax Receipt
Future Scope & Conclusion
• The project can be extended for all other details like
Water tax,
Electricity bill,
Sewage tax,
Telephone bill,
Open space planning & acquisitions,
Environmental Permit Application Review,
Master Plan Development, etc.,
• Land Parcel maps can be integrated along with this application for efficient usage and planning.
• The whole PTAS system can be implemented in the World Wide Web (WWW).
Current Future - ArcGIS Viewer for Flex
• ArcGIS for Flex Application Builder allows for easy creation and configuration of web
applications based off of ArcGIS API for Flex in a GUI-driven interface.
• designed to work with ArcGIS Server and ArcGIS Online web services.
• With ArcGIS Viewer for Flex Application Builder or compiled source versions, users can
quickly create and deploy a custom GIS web-mapping application that supports data
display, interactive querying, web editing, data extraction, geocoding, and printing.
Discussion/ Q&A
